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Finding the Fourth Proportional to 473,426.56, 653,318.53 and 258,567.49

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Solution

The fourth proportional to 473,426.56, 653,318.53 and 258,567.49 is: 356,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,426.56 : 653,318.53 = 258,567.49 : x
  2. Step 2: Convert to fraction form
    473,426.56/653,318.53 = 258,567.49/x
  3. Step 3: Cross multiply
    473,426.56x = 653,318.53 × 258,567.49
  4. Step 4: Simplify right side
    473,426.56x = 168,926,932,472.59
  5. Step 5: Solve for x
    x = 168,926,932,472.59/473,426.56
  6. Step 6: Final answer
    x = 356,817.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.